Electric Fields & Capacitors

Which field line diagrams are drawn incorrectly?

• A

• B

• C

• D

What, if anything, is wrong with the field line diagram above?

• It is wrong because the field lines should point towards the positive charges.

• It is wrong because the field lines should be straight arrows.

• It is wrong because field lines cannot cross each other.

• The field line diagram is correct as drawn.

Which particle(s), if any, are positively charged?

• C

• D

• Both C and D

• Neither C nor D

Which particle has the larger magnitude of charge?

• C

• D

• Same

• Impossible to determine

Which of the following statements are false?

• This is an example of a uniform electric field.

• The two particles must attract each other.

• The field lines show an example of a dipole.

• The two charges are equal in magnitude.

This model shows how clouds can become charged. Which of the following is false?

• Each cloud is a polarized object on its own.

• The top and bottom cloud form a uniform electric field.

• A dipole is created from the two clouds together.

• The clouds store energy like a parallel-plate capacitor.

Which point has the largest magnitude of electric field?

• A

• C

• E

• all the same

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If a proton were placed between the two plates, at which point would it have the greatest electrical potential energy?

• A

• C

• E

• all the same

If an electron were placed between the two plates, at which point would it have the greatest electrical potential energy?

• A

• C

• E

• all the same

At which point could a proton and an electron be placed in order to have equal magnitude of electrical potential energy?

• A

• C

• E

• all the same